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/* $OpenBSD: vsdma.c,v 1.7 2004/01/14 20:50:48 miod Exp $ */
/*
* Copyright (c) 1999 Steve Murphree, Jr.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)vsdma.c
*/
/*
* MVME328 scsi adaptor driver
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <machine/autoconf.h>
#ifdef mvme88k
#include <mvme88k/dev/vsreg.h>
#include <mvme88k/dev/vsvar.h>
#include <mvme88k/dev/vme.h>
#include <machine/mmu.h>
#else
#include <mvme68k/dev/vsreg.h>
#include <mvme68k/dev/vsvar.h>
#include <mvme68k/dev/vme.h>
#endif
int vsmatch(struct device *, void *, void *);
void vsattach(struct device *, struct device *, void *);
int vsprint(void *auxp, char *);
void vs_initialize(struct vs_softc *);
int vs_intr(struct vs_softc *);
int vs_nintr(void *);
int vs_eintr(void *);
struct scsi_adapter vs_scsiswitch = {
vs_scsicmd,
vs_minphys,
0, /* no lun support */
0, /* no lun support */
};
struct scsi_device vs_scsidev = {
NULL, /* use default error handler */
NULL, /* do not have a start function */
NULL, /* have no async handler */
NULL, /* Use default done routine */
};
struct cfattach vs_ca = {
sizeof(struct vs_softc), vsmatch, vsattach,
};
struct cfdriver vs_cd = {
NULL, "vs", DV_DULL
};
int
vsmatch(pdp, vcf, args)
struct device *pdp;
void *vcf, *args;
{
struct confargs *ca = args;
return(!badvaddr((vaddr_t)ca->ca_vaddr, 1));
}
void
vsattach(parent, self, auxp)
struct device *parent, *self;
void *auxp;
{
struct vs_softc *sc = (struct vs_softc *)self;
struct confargs *ca = auxp;
struct vsreg * rp;
int tmp;
sc->sc_vsreg = rp = ca->ca_vaddr;
sc->sc_ipl = ca->ca_ipl;
sc->sc_nvec = ca->ca_vec + 0;
sc->sc_evec = ca->ca_vec + 1;
sc->sc_link.adapter_softc = sc;
sc->sc_link.adapter_target = 7;
sc->sc_link.adapter = &vs_scsiswitch;
sc->sc_link.device = &vs_scsidev;
sc->sc_link.luns = 1;
sc->sc_link.openings = 1;
sc->sc_ih_n.ih_fn = vs_nintr;
sc->sc_ih_n.ih_arg = sc;
sc->sc_ih_n.ih_ipl = ca->ca_ipl;
sc->sc_ih_e.ih_fn = vs_eintr;
sc->sc_ih_e.ih_arg = sc;
sc->sc_ih_e.ih_ipl = ca->ca_ipl;
vs_initialize(sc);
vmeintr_establish(sc->sc_nvec, &sc->sc_ih_n);
vmeintr_establish(sc->sc_evec, &sc->sc_ih_e);
evcnt_attach(&sc->sc_dev, "intr", &sc->sc_intrcnt_n);
evcnt_attach(&sc->sc_dev, "intr", &sc->sc_intrcnt_e);
/*
* attach all scsi units on us, watching for boot device
* (see dk_establish).
*/
tmp = bootpart;
if (ca->ca_paddr != bootaddr)
bootpart = -1; /* invalid flag to dk_establish */
config_found(self, &sc->sc_link, scsiprint);
bootpart = tmp; /* restore old value */
}
/*
* print diag if pnp is NULL else just extra
*/
int
vsprint(auxp, pnp)
void *auxp;
char *pnp;
{
if (pnp == NULL)
return (UNCONF);
return (QUIET);
}
/* normal interrupt function */
int
vs_nintr(arg)
void *arg;
{
struct vs_softc *sc = (struct vs_softc *)arg;
#ifdef SDEBUG
printf("Normal Interrupt!!!\n");
#endif
vs_intr(sc);
sc->sc_intrcnt_n.ev_count++;
return (1);
}
/* error interrupt function */
int
vs_eintr(arg)
void *arg;
{
struct vs_softc *sc = (struct vs_softc *)arg;
#ifdef SDEBUG
printf("Error Interrupt!!!\n");
#endif
vs_intr(sc);
sc->sc_intrcnt_e.ev_count++;
return (1);
}
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